Standard Motor Products SS889 Heavy-Duty Starter Solenoid 12V 100 Amp

The Standard Motor Products SS889 is a heavy-duty starter solenoid engineered as a direct-fit OE replacement for a wide range of trucks and commercial vehicles. Operating at 12 volts and rated at 100 amps, this solenoid delivers reliable switching power between the battery and starter motor, ensuring consistent engine cranking performance in demanding conditions.

Standard Motor Products manufactures this solenoid as part of their HD Truck Solenoids & Voltage Regulators line, applying the same quality standards used in original equipment manufacturing. Every unit undergoes extensive testing to verify performance and durability before leaving the facility.

Key Features:

• 12V / 100A Rating — handles the high-current demands of heavy-duty starter systems
• Direct-fit OE replacement — engineered to match original specifications for straightforward installation
• High-quality materials — built to withstand extreme temperatures and harsh underhood environments
• Extensively tested — validated for reliability and long service life
• Complete quality control — manufactured under Standard's vertically integrated production process

Cross-Reference Part Numbers: Echlin ST779 | BWD S41425 | Duralast STSB1080

The SS889 is a trusted solution for restoring proper starter circuit function on trucks and fleet vehicles, backed by Standard Motor Products' reputation as a leading supplier of ignition and electrical components.